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Needled Moissanite Facet Rough Smoky Golden Grey Color

Needled Moissanite Facet Rough Smoky Golden Grey Color

Regular price $30.00 USD
Regular price Sale price $30.00 USD
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These are lab created moissanite facet rough with light inclusions--stones will have hollow growth needles, small carbon spots/bubbles or both. Each is labelled with its gram weight and letter in the photo and they can be purchased individually. These have a light gray-smoky color which cuts bright, dispersive gems.

These stones are a light smoky gray. They have some inclusions, with transparent needles parallel to the C axis, small carbon spots/bubbles or both. These inclusions are actually very normal in moissanite to the point they're a diagnostic feature--when oriented perpendicular to the table they are not very visible, though you can get neat effects by orienting them differently as well.

Moissanite, aka silicon carbide, is often thought of as a diamond stand-in because of its combination of extremely high hardness and surface luster, great color range and overall brilliant sparkle.  However it is also an extremely useful crystal, and these stones were grown for use in computer chips where they act as a durable, heat-resistant replacement for pure silicon.  Fortunately for us they did not quite meet spec and I was able to get them instead and trim them for gem usage.

Note that this is the newer '4H' polytype of moissanite. The crystal structure has been improved over the older versions, which means you don't have the same worries about a yellow discoloration during polishing.


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